Rinnai M Series - User Manual

Rinnai M-Series Condensing Boiler Solo Manual
Central Heang Boiler
INSTALLATION AND OPERATION MANUAL
M-Series Condensing Boiler
Wall-Mounted, Gas-Fired Solo Boiler
Cered to ANSI Z21.13
and CSA 4.9
READ AND SAVE THIS MANUAL
If the informaon in these instrucons are not followed exactly, a re or
explosion may result causing property damage, personal injury, or loss of
life.
• Do not store or use gasoline or other ammable vapors and liquids in the vicinity of this or any
other appliance.
• WHAT TO DO IF YOU SMELL GAS
− Do not try to light any appliance.
− Do not touch any electrical switch; do not use any phone in your building.
− Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s
instrucons.
− If you cannot reach your gas supplier, call the re department.
• Installaon and service must be performed by a qualied installer, service agency or the gas
supplier.
WARNING
MODELS
M060S
M090S
M120S
M160S

Summary

2 Safety Information

Safety Symbols Explained

Explains the meaning of safety symbols used in the manual.

Essential Safety Precautions

Lists essential safety precautions for installation and operation.

4 Installation Procedures

General Installation Guidelines

General guidelines and requirements for installing the boiler.

Installation Location Selection

Guidance on selecting an appropriate installation location, considering environment and water quality.

Mounting the Boiler

5 Venting System

General Venting Guidelines

General guidelines, installation steps, and termination considerations for venting.

Direct Venting Options

Room Air Venting

6 Gas Supply Connections

Connecting the Gas Supply

Instructions for safely connecting the gas supply to the boiler.

Gas Operation Procedures

Step-by-step guide for operating the boiler with gas supply.

Gas Pipe Sizing Tables

7 Central Heating (CH) System

CH System Piping Guidelines and Instructions

General guidelines and instructions for connecting the heating system piping.

Hydraulic Separation and Diagrams

Pressure Relief and Condensate Connections

Instructions for connecting pressure relief valves and condensate lines.

9 Power Supply Connection

Power Supply Guidelines

Guidelines for connecting the boiler to the power supply.

Electrical Connection Details

Details how to connect various electrical devices to the controller.

Post-Connection Checklist

10 Boiler Commissioning

Commissioning Safety Precautions

Safety precautions to follow during boiler commissioning.

Commissioning Instructions

Step-by-step instructions for commissioning the boiler.

Air Purge Process

11 Post-Installation Checks

Location and Venting Verification

System Piping and Drain Checks

PRV, Gas, Power, and Commissioning Verification

12 Boiler Operation

Initial Start-Up Information

Control Panel Functions

Parameter Settings Table

Outdoor Reset Control Setup

Diagnostic Codes Guide

Lists and explains common diagnostic and fault codes.

Freeze Protection Features

13 Maintenance Procedures

Monthly Owner Maintenance

Professional Maintenance Tasks

Ignition Safety Shut Off Test

Procedure for testing the ignition safety shut-off device.

14 Appendices and Resources

Gas Conversion and Wiring

Instructions for gas conversion and includes wiring and ladder diagrams.

Warranty Details

Rinnai M Series Specifications

General

Model	M Series
Category	Boiler
Brand	Rinnai
Fuel Type	Natural Gas, Propane
Water Connection	3/4" NPT
Vent Type	Direct Vent
Dimensions	Varies by model
Weight	Varies by model
Warranty	12 years heat exchanger, 5 years parts